Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javap/T6716452.java@4a48f3173534 (annotated)
test/tools/javap/T6716452.java
Thu, 04 Apr 2013 19:05:42 -0700
- author
- katleman
- date
- Thu, 04 Apr 2013 19:05:42 -0700
- changeset 1662
- 4a48f3173534
- parent 554
- 9d9f26857129
- child 2525
- 2eb010b6cb22
- permissions
- -rw-r--r--
Added tag jdk8-b84 for changeset cfb65ca92082
| jjg@67 | 1 | /* |
| ohair@554 | 2 | * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
| jjg@67 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| jjg@67 | 4 | * |
| jjg@67 | 5 | * This code is free software; you can redistribute it and/or modify it |
| jjg@67 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| jjg@67 | 7 | * published by the Free Software Foundation. |
| jjg@67 | 8 | * |
| jjg@67 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| jjg@67 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| jjg@67 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| jjg@67 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| jjg@67 | 13 | * accompanied this code). |
| jjg@67 | 14 | * |
| jjg@67 | 15 | * You should have received a copy of the GNU General Public License version |
| jjg@67 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| jjg@67 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| jjg@67 | 18 | * |
| ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
| ohair@554 | 21 | * questions. |
| jjg@67 | 22 | */ |
| jjg@67 | 23 | |
| jjg@67 | 24 | /* |
| jjg@67 | 25 | * @test 6716452 |
| jjg@67 | 26 | * @summary need a method to get an index of an attribute |
| jjg@67 | 27 | */ |
| jjg@67 | 28 | |
| jjg@67 | 29 | import java.io.*; |
| jjg@67 | 30 | import com.sun.tools.classfile.*; |
| jjg@67 | 31 | |
| jjg@67 | 32 | public class T6716452 { |
| jjg@67 | 33 | public static void main(String[] args) throws Exception { |
| jjg@67 | 34 | new T6716452().run(); |
| jjg@67 | 35 | } |
| jjg@67 | 36 | |
| jjg@67 | 37 | public void run() throws Exception { |
| jjg@67 | 38 | File javaFile = writeTestFile(); |
| jjg@67 | 39 | File classFile = compileTestFile(javaFile); |
| jjg@67 | 40 | |
| jjg@67 | 41 | ClassFile cf = ClassFile.read(classFile); |
| jjg@67 | 42 | for (Method m: cf.methods) { |
| jjg@67 | 43 | test(cf, m); |
| jjg@67 | 44 | } |
| jjg@67 | 45 | |
| jjg@67 | 46 | if (errors > 0) |
| jjg@67 | 47 | throw new Exception(errors + " errors found"); |
| jjg@67 | 48 | } |
| jjg@67 | 49 | |
| jjg@67 | 50 | void test(ClassFile cf, Method m) { |
| jjg@67 | 51 | test(cf, m, Attribute.Code, Code_attribute.class); |
| jjg@67 | 52 | test(cf, m, Attribute.Exceptions, Exceptions_attribute.class); |
| jjg@67 | 53 | } |
| jjg@67 | 54 | |
| jjg@67 | 55 | // test the result of Attributes.getIndex according to expectations |
| jjg@67 | 56 | // encoded in the method's name |
| jjg@67 | 57 | void test(ClassFile cf, Method m, String name, Class<?> c) { |
| jjg@67 | 58 | int index = m.attributes.getIndex(cf.constant_pool, name); |
| jjg@67 | 59 | try { |
| jjg@67 | 60 | String m_name = m.getName(cf.constant_pool); |
| jjg@67 | 61 | System.err.println("Method " + m_name + " name:" + name + " index:" + index + " class: " + c); |
| jjg@67 | 62 | boolean expect = (m_name.equals("<init>") && name.equals("Code")) |
| jjg@67 | 63 | || (m_name.indexOf(name) != -1); |
| jjg@67 | 64 | boolean found = (index != -1); |
| jjg@67 | 65 | if (expect) { |
| jjg@67 | 66 | if (found) { |
| jjg@67 | 67 | Attribute attr = m.attributes.get(index); |
| jjg@67 | 68 | if (!c.isAssignableFrom(attr.getClass())) { |
| jjg@67 | 69 | error(m + ": unexpected attribute found," |
| jjg@67 | 70 | + " expected " + c.getName() |
| jjg@67 | 71 | + " found " + attr.getClass().getName()); |
| jjg@67 | 72 | } |
| jjg@67 | 73 | } else { |
| jjg@67 | 74 | error(m + ": expected attribute " + name + " not found"); |
| jjg@67 | 75 | } |
| jjg@67 | 76 | } else { |
| jjg@67 | 77 | if (found) { |
| jjg@67 | 78 | error(m + ": unexpected attribute " + name); |
| jjg@67 | 79 | } |
| jjg@67 | 80 | } |
| jjg@67 | 81 | } catch (ConstantPoolException e) { |
| jjg@67 | 82 | error(m + ": " + e); |
| jjg@67 | 83 | } |
| jjg@67 | 84 | } |
| jjg@67 | 85 | |
| jjg@67 | 86 | File writeTestFile() throws IOException { |
| jjg@67 | 87 | File f = new File("Test.java"); |
| jjg@67 | 88 | PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
| jjg@67 | 89 | out.println("abstract class Test { "); |
| jjg@67 | 90 | out.println(" abstract void m();"); |
| jjg@67 | 91 | out.println(" void m_Code() { }"); |
| jjg@67 | 92 | out.println(" abstract void m_Exceptions() throws Exception;"); |
| jjg@67 | 93 | out.println(" void m_Code_Exceptions() throws Exception { }"); |
| jjg@67 | 94 | out.println("}"); |
| jjg@67 | 95 | out.close(); |
| jjg@67 | 96 | return f; |
| jjg@67 | 97 | } |
| jjg@67 | 98 | |
| jjg@67 | 99 | File compileTestFile(File f) { |
| jjg@67 | 100 | int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() }); |
| jjg@67 | 101 | if (rc != 0) |
| jjg@67 | 102 | throw new Error("compilation failed. rc=" + rc); |
| jjg@67 | 103 | String path = f.getPath(); |
| jjg@67 | 104 | return new File(path.substring(0, path.length() - 5) + ".class"); |
| jjg@67 | 105 | } |
| jjg@67 | 106 | |
| jjg@67 | 107 | void error(String msg) { |
| jjg@67 | 108 | System.err.println("error: " + msg); |
| jjg@67 | 109 | errors++; |
| jjg@67 | 110 | } |
| jjg@67 | 111 | |
| jjg@67 | 112 | int errors; |
| jjg@67 | 113 | } |
